Description
misc.c in splitvt 1.6.6 and earlier does not drop group privileges before executing xprop, which allows local users to gain privileges.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | splitvt | 1.6.6-4 | — |
| Debian 13 | splitvt | 1.6.6-4 | — |
| Debian 12 | splitvt | 1.6.6-4 | — |
| Debian 4.0 | splitvt | 1.6.5-9etch1 | DSA-1500-1 |
Advisories 1
- DSA-1500-1 splitvt - privilege escalation Debian Security (DSA / DLA) · Mar 9, 2026